Optional HP 8-Cell
Extended Life Battery
Dimensions
(H x W x L)
1.0 x 3.9 x 8.7 in (2.5 x 10.0 x 22.0 cm)
Weight
1.00 lb (0.455 kg)
Cells/Type
8-cell Lithium-Ion
Energy
Voltage
14.4V
Watt-hour Capacity
52Wh
Amp-hour Capacity
3.6Ah
Temperature
Operating (Charging)
32° to 113° F (0° to 45° C)
Operating (Discharging)
14° to 140° F (–10° to 60° C)
Non-operating
–4° to 140° F (–20° to 60° C)
Battery Re-Charge Time
System in OFF mode or
Standby
3 hours
System ON
3 to 5 hours (depending on system power
consumption)
HP Fast Charge Technology
Charges the battery up to 90% within 90 minutes
when system is OFF
Fuel Gauge
When pressed, LEDs light indicating level of charge remaining on battery
55Wh Primary 6-Cell
Battery
Dimensions
(H x W x L)
0.8 x 2.75 x 4.75 in (2.0 x 7.0 x 12.0 cm)
Weight
0.72 lb (0.327 kg)
Cells/Type
6-cell Lithium-Ion
Energy
Voltage
10.8V
Watt-hour Capacity
55Wh
Amp-hour Capacity
5.1Ah
Temperature
Operating (Charging)
32° to 113° F (0° to 45° C)
Operating (Discharging)
14° to 140° F (–10° to 60° C)
Non-operating
–4° to 140° F (–20° to 60° C)
Battery Re-Charge Time
System in OFF mode or
Standby
2.5 hours
System ON
3 to 5 hours (depending on system power
consumption)
HP Fast Charge Technology
Charges the battery up to 90% within 1.5 hours
when system is OFF
Fuel Gauge
When pressed, LEDs light indicating level of charge remaining on battery
QuickSpecs
HP Compaq tc4400 Tablet PC
Technical Specifications
DA - 12443 North America — Version 15 — May 23, 2007
Page 23